Originally Posted by Tebow
That used to happen to me A LOT. In my case, I finally realized that in the days I was hitting poorly I was squeezing the handle to hard, which impaired me from hitting a relaxed shot. Next time you try to hit the ball hard and you see a wimpy shot, be sure that your arm is tense. After I corrected this, it never happened again.
This. Whenever i feel the wood effect, i realize that i'm squeezing the handle. When i loosen it, my strokes and the effortless power come back.